Event: Club Championship

PDF Excel

Opponent	Rating	Result
John P Knee	1739	0 - 1
Lee Davis	2023	0 - 1
Ian J Clarke	1914	0 - 1
John Chester	1733	1 - 0
Matthew Jordan	1742	0 - 1

performance = (sum(opponents ratings) + 400(wins-losses)) / games

1590 = (9151 + 400 * (1 - 4)) / 5)